ISO 9614-1:2023

Sound Power โ€” Intensity Method (Discrete Points)

This test uses a sound intensity probe to measure acoustic intensity at discrete points on a measurement surface, allowing determination of sound power levels without requiring a fully anechoic environment. The intensity-based approach is effective for characterizing noise sources in semi-reverberant or field conditions where traditional pressure-based methods are unreliable. It provides directional acoustic information and is valuable for source localization and acoustic modification assessment. Accreditation ensures proper probe calibration, measurement procedures, and data processing are maintained to standards.

What it measures

  • Sound intensity magnitude and direction (vector)
  • Sound power level by surface integration
  • A-weighted and frequency-weighted acoustic power
  • Sound radiation patterns from complex sources
๐Ÿ‡ฉ๐Ÿ‡ช DIN EN ISO 9614-2 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN ISO 9614-2 ๐Ÿ‡ซ๐Ÿ‡ท NF EN ISO 9614-2 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN ISO 9614-2 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN ISO 9614-2 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN ISO 9614-2 ๐Ÿ‡ฉ๐Ÿ‡ช DIN EN ISO 3744 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN ISO 3744 ๐Ÿ‡ซ๐Ÿ‡ท NF EN ISO 3744 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN ISO 3744 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN ISO 3744 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN ISO 3744
1,868 Accredited labs
20 Countries

Showing 326โ€“350 of 393 labs

UKAS 0080 Hedge End, GB
ELECTRICAL CALIBRATION DC RESISTANCE (continued) DC Resistance AC VOLTAGE (continued) AC CURRENT + 3 more
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UKAS 1922 Near Wellington, GB
based on BS EN ISO 6579-1: ISO 21528-2 ISO 21149:2017+Amd1:2022 DIN EN ISO 18415 method based on BS ISO 16649-2: + 3 more
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UKAS 0046 Sheffield, GB
ASTM A 370 ASTM E 384 ASTM E 92 ASTM E 23 ISO 6506-1 + 3 more
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UKAS 4337 Sheffield, GB
ISO 3651-2 ASTM E 384-22 ASTM E10-23 ISO 6506-1 ASTM A262-15(2021) Practice E + 3 more
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UKAS 2621 Basildon, GB
QOP01 based on HSG 248 (HSG 248) โ€“ 2021 (PCM) based on HSG 248 (HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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UKAS 10772 Birmingham, GB
(HSG 264, 2012)
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UKAS 10817 Moneymore, GB
AM01 based on BS EN ISO 4833-1: AM03 based on BS EN ISO 11290- AM05 based on BS ISO 21528-2: AM08 based on BS EN ISO 15213-2:2023 by AM12 based onโ€ฏBS EN + 3 more
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UKAS 4088 131 Mount Pleasant, GB
BS EN ISO 140-4:1998 ISO 13829 BS EN ISO 717-2:2020 ISO 1407 BS EN ISO 9972:2015 + 1 more
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UKAS 1170 Salwick, GB
LMM2149, ASTM E112-13 by ISO 6507-1 LMM2207, ASTM E112-13 by LMM1862, ASTM E112-13 for to BS EN ISO 6507-1:2018 + 3 more
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UKAS 2732 Takeley, GB
ISO 7171 ISO 1407 BS EN ISO 140-4:1998 BS EN ISO 717-2:2020
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UKAS 0659 Hainault, GB
Sealed liquid cells containing prepared from NIST SRM 935a Toluene/Hexane Neutral density glass filters Neutral density glass filter + 3 more
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UKAS 26223 Little Canfield, GB
TORQUE Hydraulic pressure (gauge)
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UKAS 2731 Wakefield, GB
DIN EN 12094-8 BS EN ISO 717-2:2020 DIN EN 950 BS EN ISO 10077-2:2017 ISO 16000-3 + 3 more
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UKAS 0731 Guildford, GB
DIN EN 933-11 DIN EN 1097-6 DIN EN 1097-1 DIN EN 1097-2 DIN EN 933-3 + 3 more
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UKAS 4608 Swindon, GB
(HSG 264, 2012)
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Sychem

Active
UKAS 25291 Chandler's Ford, GB
parameters and ranges)
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UKAS 4264 Co Durham, GB
ISO 14644-3 DIN EN 12469 BS 7989:2001 BS EN ISO 14644-1:2015 DIN EN 14175-3 + 1 more
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UKAS 0773 Telford, GB
LENGTH
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UKAS 8644 Bury, GB
(HSG 264, 2012) HSG 264 (2012) and Appx. 3 of HSG 227 (2004))
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TVS Analysis

Active
UKAS 2684 Birchwood, GB
(HSG 248) โ€“ 2021 (PCM) based on HSG 248
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TYSR Analysis

Active
UKAS 31733 Chorley, GB
(HSG 248) โ€“ 2021 QSOP 01 based on HSG 248
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UKAS 1756 Redhill, GB
ISO 6529 DIN EN 13744 DIN EN 16523-1 EN 16523-2 ASTM F739-12e1( withdrawn) + 3 more
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UKAS 0805 Ramsdell, GB
RELATIVE HUMIDITY HUMIDITY continued loggers Gas Pressure Gauge Saturated salt capsules + 2 more
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UKAS 0175 London, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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UKAS 1709 London, GB
(HSG 248) โ€“ 2021 RPSCA1 based on HSG 248 (PCM) based on HSG 248 RPSCA2 based on HSG 248 BS 7592:2008, BS 8554:2015 + 2 more
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Industries

Automotive and vehicle noise source characterization Machinery and equipment acoustic testing Building services and HVAC noise assessment Aerospace and transportation noise evaluation Environmental noise consulting and source identification

Related Standards

  • ISO 9614-2 Determination of sound power levels of noise sources by sound intensity โ€” Part 2: Measurement by scanning
  • ISO 3744 Determination of sound power levels of noise sources using sound pressure โ€” Precision method in anechoic and hemi-anechoic rooms
  • ISO 9613-1 Attenuation of sound during propagation outdoors โ€” Part 1: Calculation of the absorption of sound by the atmosphere

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